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Segment Data (Details)
 3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2021
USD ($)
Segment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Segment Data [Abstract]          
Number of reportable segments | Segment     2    
Revenues [Abstract]          
Revenues     $ 2,246,660,000 $ 2,171,408,000 $ 2,838,399,000
Segment profit (loss)     (290,601,000) (461,351,000) 189,820,000
Total assets     5,399,063,000 5,924,174,000  
Depreciation and amortization     213,718,000 219,921,000 219,632,000
Capital expenditures     98,015,000 148,185,000 248,164,000
Other segment disclosures [Abstract]          
Gain on disposition of assets     5,761,000 118,000 8,152,000
Impairments and other charges $ (8,000,000) $ (35,525,000)      
Interest expense     (42,469,000) (48,739,000) (55,994,000)
Earnings (loss) before taxes on income     (290,601,000) (461,351,000) 189,820,000
Details of "Other" total assets [Abstract]          
Investment in affiliates     2,134,000 2,689,000  
Marine Transportation [Member]          
Revenues [Abstract]          
Revenues     1,322,918,000 1,404,265,000 1,587,082,000
Distribution and Services [Member]          
Revenues [Abstract]          
Revenues     923,742,000 767,143,000 1,251,317,000
Other [Member]          
Revenues [Abstract]          
Segment profit (loss)     (381,223,000) (612,798,000) (93,223,000)
Total assets     187,380,000 357,894,000  
Depreciation and amortization     7,166,000 4,868,000 3,892,000
Capital expenditures     5,558,000 9,341,000 12,516,000
Other segment disclosures [Abstract]          
General corporate expenses     (13,803,000) (11,050,000) (13,643,000)
Gain on disposition of assets     5,761,000 118,000 8,152,000
Impairments and other charges     (340,713,000) (561,274,000) (35,525,000)
Interest expense     (42,469,000) (48,739,000) (55,994,000)
Other income     10,001,000 8,147,000 3,787,000
Earnings (loss) before taxes on income     (381,223,000) (612,798,000) (93,223,000)
Details of "Other" total assets [Abstract]          
General corporate assets     185,246,000 355,205,000  
Investment in affiliates     2,134,000 2,689,000  
Total other assets     187,380,000 357,894,000  
Reportable Segments [Member] | Marine Transportation [Member]          
Revenues [Abstract]          
Revenues     1,322,918,000 1,404,265,000 1,587,082,000
Segment profit (loss)     63,015,000 163,638,000 215,842,000
Total assets     4,319,080,000 4,760,449,000  
Depreciation and amortization     185,979,000 186,798,000 179,742,000
Capital expenditures     84,353,000 133,990,000 217,364,000
Other segment disclosures [Abstract]          
Earnings (loss) before taxes on income     63,015,000 163,638,000 215,842,000
Reportable Segments [Member] | Distribution and Services [Member]          
Revenues [Abstract]          
Revenues     923,742,000 767,143,000 1,251,317,000
Segment profit (loss)     27,607,000 (12,191,000) 67,201,000
Total assets     892,603,000 805,831,000  
Depreciation and amortization     20,573,000 28,255,000 35,998,000
Capital expenditures     8,104,000 4,854,000 18,284,000
Other segment disclosures [Abstract]          
Earnings (loss) before taxes on income     27,607,000 (12,191,000) 67,201,000
Intersegment Eliminations [Member]          
Revenues [Abstract]          
Revenues     23,632,000 27,782,000 27,441,000
Segment profit (loss)     2,363,000 2,778,000 2,744,000
Other segment disclosures [Abstract]          
Earnings (loss) before taxes on income     $ 2,363,000 $ 2,778,000 $ 2,744,000